1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
/*
Unix SMB/CIFS implementation.
Samba readline wrapper implementation
Copyright (C) Simo Sorce 2001
Copyright (C) Andrew Tridgell 2001
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
#include "pstring.h"
#include <unistd.h>
#ifdef HAVE_LIBREADLINE
# ifdef HAVE_READLINE_READLINE_H
# include <readline/readline.h>
# ifdef HAVE_READLINE_HISTORY_H
# include <readline/history.h>
# endif
# else
# ifdef HAVE_READLINE_H
# include <readline.h>
# ifdef HAVE_HISTORY_H
# include <history.h>
# endif
# else
# undef HAVE_LIBREADLINE
# endif
# endif
#endif
#ifdef HAVE_NEW_LIBREADLINE
# define RL_COMPLETION_CAST (rl_completion_func_t *)
#else
/* This type is missing from libreadline<4.0 (approximately) */
# define RL_COMPLETION_CAST
#endif /* HAVE_NEW_LIBREADLINE */
/****************************************************************************
Display the prompt and wait for input. Call callback() regularly
****************************************************************************/
static char *smb_readline_replacement(const char *prompt, void (*callback)(void),
char **(completion_fn)(const char *text, int start, int end))
{
fd_set fds;
static pstring line;
struct timeval timeout;
int fd = STDIN_FILENO;
char *ret;
do_debug("%s", prompt);
while (1) {
timeout.tv_sec = 5;
timeout.tv_usec = 0;
FD_ZERO(&fds);
FD_SET(fd,&fds);
if (sys_select_intr(fd+1,&fds,NULL,NULL,&timeout) == 1) {
ret = x_fgets(line, sizeof(line), x_stdin);
return ret;
}
if (callback)
callback();
}
}
/****************************************************************************
Display the prompt and wait for input. Call callback() regularly.
****************************************************************************/
char *smb_readline(const char *prompt, void (*callback)(void),
char **(completion_fn)(const char *text, int start, int end))
{
#if HAVE_LIBREADLINE
if (isatty(STDIN_FILENO)) {
char *ret;
/* Aargh! Readline does bizzare things with the terminal width
that mucks up expect(1). Set CLI_NO_READLINE in the environment
to force readline not to be used. */
if (getenv("CLI_NO_READLINE"))
return smb_readline_replacement(prompt, callback, completion_fn);
if (completion_fn) {
/* The callback prototype has changed slightly between
different versions of Readline, so the same function
works in all of them to date, but we get compiler
warnings in some. */
rl_attempted_completion_function = RL_COMPLETION_CAST completion_fn;
}
if (callback)
rl_event_hook = (Function *)callback;
ret = readline(prompt);
if (ret && *ret)
add_history(ret);
return ret;
} else
#endif
return smb_readline_replacement(prompt, callback, completion_fn);
}
/****************************************************************************
* return line buffer text
****************************************************************************/
const char *smb_readline_get_line_buffer(void)
{
#if defined(HAVE_LIBREADLINE)
return rl_line_buffer;
#else
return NULL;
#endif
}
/****************************************************************************
* set completion append character
***************************************************************************/
void smb_readline_ca_char(char c)
{
#if defined(HAVE_LIBREADLINE)
rl_completion_append_character = c;
#endif
}
/****************************************************************************
history
****************************************************************************/
int cmd_history(const char **cmd_ptr)
{
#if defined(HAVE_LIBREADLINE)
HIST_ENTRY **hlist;
int i;
hlist = history_list();
for (i = 0; hlist && hlist[i]; i++) {
DEBUG(0, ("%d: %s\n", i, hlist[i]->line));
}
#else
DEBUG(0,("no history without readline support\n"));
#endif
return 0;
}
|
